fix(docs): correct typos in comments and strings found during code view (#5880)

Non-functional changes only:
- Fixed minor spelling mistakes in comments
- Corrected typos in user-facing strings
- No variables, logic, or functional code was modified.

Signed-off-by: Marcel Petrick <mail@marcelpetrick.it>

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-5880-fix-docs-correct-typos-in-comments-and-strings-found-during-code-view-27f6d73d3650815db62af6115991304a)
by [Unito](https://www.unito.io)

---------

Signed-off-by: Marcel Petrick <mail@marcelpetrick.it>
Co-authored-by: Alexander Brown <DrJKL0424@gmail.com>
Co-authored-by: Benjamin Lu <benjaminlu1107@gmail.com>

src/core/graph/subgraph/proxyWidget.ts

@@ -135,7 +135,7 @@ function addProxyFromOverlay(subgraphNode: SubgraphNode, overlay: Overlay) {
    * @param {string} property - The name of the accessed value.
    *   Checked for conditional logic, but never changed
    * @param {object} receiver - The object the result is set to
-   *   and the vlaue used as 'this' if property is a get/set method
+   *   and the value used as 'this' if property is a get/set method
    * @param {unknown} value - only used on set calls. The thing being assigned
    */
   const handler = {